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How to Repair Common Oven Parts Ovens are a kitchen appliance that is commonly used to cook food. The heat generated by the oven sterilizes food and kills the majority of microorganisms. All bakers need an accurate oven thermometer. Understanding how your oven functions can help you improve your baking, roasting and cooking skills. It can also help you avoid the annoying hot spots that can cause damage to cakes, cookies and baked goods. hobs and ovens is one of the most important parts of your oven, assisting to ensure that the temperature of your food is in line with what you've set in your control panel. It could be a problem, just like any other sensor or switch that is electro-mechanical. The oven could overheat or underheat, or not maintain the temperature you have set. The oven thermostat is basically a small strip made of two different metals that are bonded together. When heated by the oven, the metals expand or bend at different rates. This creates an electrical circuit. When the metal in your thermostat reaches the temperature that you have set on your control panel it will turn off the power to the heater. As the oven cools down the bimetallic strip expands in a way, reestablishing the circuit and activating the heating element. This process continues to ensure a constant temperature in your oven. The oven must be disconnected and all screws removed to diagnose the problem with the thermostat. Set your multimeter to the Ohms setting, and then test the thermostat. If the multimeter reads 0 or very close to it then the thermostat is functioning properly and doesn't require to be replaced. If the multimeter fails to show anything, the thermostat is faulty. It is time to get it replaced. weblink recommends that you replace the thermostat with a fresh one that is the same model that your old one. They can be purchased online or at a kitchen goods store, and can be purchased at a reasonable cost. Bake Element The bake element is essential to the operation of your oven. It produces heat that allows it to cook food. It's a basic element that converts electricity into the high temperatures needed for baking, roasting and broiling. Heating elements are typically found in electric ovens and ranges and are covered or hidden beneath the floor of the oven. In general oven heating elements comprise of high-resistance metals like nickel-chromium. They work by converting electrical energy into heat through the process of resistance, which then radiates through the oven's interior to raise the temperature to the desired degree for cooking different types of food items. When you turn on your oven the heating element gets to generate heat through the high-voltage electricity moving across its metal surface. When electric current flows through it, the element heats up. The element will glow red hot when it is at the desired temperature. The baked element is the primary source of heat for the majority of oven functions. It's usually located at the bottom of the oven, and is used to perform the self-cleaning function in many ovens with automatic cleaning. You might observe that your oven doesn't heat up as quickly, or that your food hasn't cooked completely. Connect your multimeter to its red and black ports. Then, press the probes made of steel on one side of the device against each other. Set the other end of the probe against one of its terminals, and put your hand on it to determine whether the baking element is warm to the touch. If not, remove it and try again. Broil Element The broil element is typically located at the top of your oven's cavity and produces high-temperature heat similar to grills to cook or brown food items. Broil settings in ovens are an excellent way to quickly grill meat crisp vegetables, heat lasagna, or caramelize the topping of a casserole. Similar to the bake element, the broiler heating element transforms electrical energy into heat via the process of resistance. It is made up of an internal core of metal wires wrapped in an insulating expanded perlite product. The inner core is then wrapped in an outer layer of stainless steel to protect the wires from direct contact with the oven. The three-layer structure helps lower the broil element's temperature, making it more secure and efficient than the older designs of elements. You can use any heating element you want to use for baking or broiling in your oven. But, you must choose one that is compatible with your oven's rated wattage. A different wattage may harm your oven, or cause it to overheat. The current and voltage ratings of the latest heating elements are available on the control panel of your oven. This will allow you to examine the wattage and rating of your oven. You should also test the resistance of your old element and compare it to the power of the new broiler heating element. The greater the resistance, the greater the power that an oven element draws from. If your broiler's heating element is acting up or doesn't work at all, you must replace it immediately. It is essential that your oven function properly so that you can cook all of your favorite food items. If your oven doesn't function at all, or only intermittently, the issue may be a problem with a different component. Light Bulb and Assembly The light allows you to monitor your food as it cooks without opening the doors and let heat escape. The light will also notify you when the casserole is done. It's not unusual for the bulb to go. This can be very frustrating however, it's an easy repair that you can do yourself. Before you start, make sure that the breaker hasn't tripped and that the three-prong connector is in good condition. First, take out the light bulb that was in use and then locate the new one. You may need to search online to find the correct replacement bulb that is compatible with your oven's wattage. Some ovens have standard appliance bulbs that are 40 watts in power and others require a halogen lamp up to 50 watts. Be aware that the oil in your hands can cause damage to the halogen bulb, so it is recommended to use cotton gloves when handling it. Before you place the new bulb in place it is important to first remove it from its glass casing. It is important to do slowly to avoid breaking it. Then, you'll need to remove the air from the bulb and replace it with the mixture. This ensures a longer life for the filament. If your bulb is always running out it could be due to an electrical issue that requires the assistance of a professional. Double check that you are using the correct oven bulb and check your Use and Care Guide to find additional troubleshooting tips. Remember to unplug the oven and shut off the power prior to beginning any repairs. This will prevent you from suffering an electric shock. Vent Tube The vent tube is an essential oven element because it allows for a tiny amount of airflow to flow within the cavity. This allows the bake element to circulate heat throughout the oven and ensures the temperature is evenly distributed. It also allows the vapors that are released from the oven to escape as well as allows smoke to be removed from the cooking surface. It is vital for the proper operation of any gas or electric oven. Vents for ovens can become blocked or blocked due to several factors. Accidental spills or splatters could leave sticky residues in oven vents. These can attract debris, dust and other contaminants that could cause obstructions over time. Grease and oil particles can be blown into the air and settle around the vents, too. Other environmental factors, like construction and kitchen renovations can introduce dust into the vents. This can cause clogs. Based on the oven model the vent tube may comprise an a bottle guide 20 or spreader 46 as well as a fill tip 12 that are constructed with the pipe 32. For instance, the bottle guide 20 may have a tapered outer layer that is complemented by the tapered inner surface of the spreader 46. This allows the vent tube to be effortlessly fitted into various sizes and forms of bottle necks. A blocked vent tube may cause a decrease in pressure inside the enclosure which could cause an exhaust downdraft, which pulls the exhaust forward and down the vent, causing damage to oven's components. Consult a professional if you believe that your vent might be blocked or clogged. They will determine the cause and offer suggestions for removing or cleaning the vent.